Key Switch (Insert) Check (Column Shift)

With CONSULT-II 

Check key switch "KEY ON SW" in DATA MONITOR mode with CONSULT-II. Refer to "DATA MONITOR ".

Fig 1: CONSULT II Display - Data Monitor

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• When key is inserted to ignition key cylinder:

  KEY ON SW: ON 

• When key is removed from ignition key cylinder:

  KEY ON SW: OFF 

Without CONSULT-II 

Check voltage between BCM connector M18 terminal 37 and ground.

Fig 2: Checking Voltage Between BCM Terminal 37 And Ground

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OK or NG 

OK: Key switch (insert) circuit is OK.

NG: GO TO 2.

1. Turn ignition switch OFF.
2. Disconnect key switch connector.
3. Check continuity between key switch terminals 3 and 4.
   Fig 3: Checking Continuity Between Key Switch Terminals 3 And 4

   Courtesy of NISSAN MOTOR CO., U.S.A.
   CONNECTOR TERMINAL CONTINUITY REFERENCE
   
   

   Terminals	Condition	Continuity
   3 - 4	Key is inserted.	Yes
   	Key is removed.	No

OK or NG 

OK: GO TO 3.

NG: Replace key switch.

1. Disconnect BCM connector.
2. Check continuity between the BCM harness connector M18 terminal 37 and key switch harness connector M80 terminal 4.
3. Check continuity between BCM harness connector M18 terminal 37 (B/R) and ground.

   37 - 4: Continuity should exist 

   37 - Ground: Continuity should not exist 

Fig 4: Checking Continuity Between BCM Harness Connector M18 Terminal 37, Key Switch Harness Connector M80 Terminal 4 And Ground
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG 

OK: Check the following:

• 10A fuse [No. 19, located in fuse block (J/B)]
• Harness for open or short between key switch and fuse

NG: Repair or replace harness.